220139985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59417}}^1$

素因数の和:59457

約数の個数: 32

約数和(自身を含む): 399288960

約数和(自身を除く): 179148975

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 59417, 178251, 297085, 772421, 891255, 1128923, 2317263, 3386769, 3862105, 5644615, 11586315, 14675999, 16933845, 44027997, 73379995, 220139985]

約数ペア:

[(1, 220139985), (3, 73379995), (5, 44027997), (13, 16933845), (15, 14675999), (19, 11586315), (39, 5644615), (57, 3862105), (65, 3386769), (95, 2317263), (195, 1128923), (247, 891255), (285, 772421), (741, 297085), (1235, 178251), (3705, 59417)]